package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品和口味
     * @param dishDTO
     * @return
     */
    @PostMapping
    public Result save(@RequestBody DishDTO dishDTO){
        cleanCache("dish_" + dishDTO.getCategoryId());
        dishService.saveWithFlavors(dishDTO);
        return Result.success();
    }


    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    public Result<List<Dish>> selectByCategoryId(Integer categoryId){
        log.info("根据分类id查询菜品，分类id：{}",categoryId);

        List<Dish> dishList = dishService.selectByCategoryId(categoryId);
        return Result.success(dishList);
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询:{}",dishPageQueryDTO);
        PageResult pageResult = dishService.page(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 根据id批量删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    public Result delete(@RequestParam List<Long> ids){
        cleanCache("dish_*");
        dishService.delete(ids);
        return Result.success();
    }

    /**
     * 根据id查询菜品和菜品的口味
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public Result<DishVO> getById(@PathVariable Long id){
        DishVO dishVO = dishService.getDishWithFlavors(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    public Result update(@RequestBody DishDTO dishDTO){
        cleanCache("dish_*");
        dishService.update(dishDTO);
        return Result.success();
    }

    /**
     * 菜品的启售和停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    public Result setStatus(@PathVariable Integer status, Long id){
        log.info("菜品的启售和停售,id:{},status:{}",id,status == 1 ? "启售中" : "停售中");
        cleanCache("dish_*");
        dishService.setStatus(status,id);
        return Result.success();
    }

    /**
     * 清理缓存
     * @param patten
     */
    private void cleanCache(String patten){
        Set keys = redisTemplate.keys(patten);
        redisTemplate.delete(keys);
    }
}
